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1375342340 = 22568767117
BaseRepresentation
bin101000111111010…
…0000111100000100
310112211221122000012
41101332200330010
510304041423330
6344250205352
746040134301
oct12176407404
93484848005
101375342340
11646388069
12324723858
1318bc27348
14d09340a8
1580b23c95
hex51fa0f04

1375342340 has 12 divisors (see below), whose sum is σ = 2888218956. Its totient is φ = 550136928.

The previous prime is 1375342259. The next prime is 1375342343. The reversal of 1375342340 is 432435731.

It can be written as a sum of positive squares in 2 ways, for example, as 935014084 + 440328256 = 30578^2 + 20984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1375342297 and 1375342306.

It is not an unprimeable number, because it can be changed into a prime (1375342343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34383539 + ... + 34383578.

It is an arithmetic number, because the mean of its divisors is an integer number (240684913).

Almost surely, 21375342340 is an apocalyptic number.

1375342340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375342340 is an abundant number, since it is smaller than the sum of its proper divisors (1512876616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1375342340 is a wasteful number, since it uses less digits than its factorization.

1375342340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68767126 (or 68767124 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 1375342340 is about 37085.6082598088. The cubic root of 1375342340 is about 1112.0823233655.

The spelling of 1375342340 in words is "one billion, three hundred seventy-five million, three hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 68767117 137534234 275068468 343835585 687671170 1375342340